Open Task Manager
Go to the Performance tab
Click Memory
Check the RAM size, speed, and slot usage
Open Settings
Go to System
Go to About
Check Installed RAM
Open System Information
Search for msinfo32
Check Installed Physical Memory and Total Physical Memory
Open Command Prompt
Run wmic memorychip get capacity, speed, manufacturer, partnumber
Check the listed RAM details
Open PowerShell
Run Get-CimInstance Win32_PhysicalMemory | Format-Table Manufacturer, PartNumber, Capacity, Speed
Check the listed RAM details
Check the RAM sticks directly
Look for the label on each module
Read the capacity, speed, and model number
Use a third-party tool
Install CPU-Z or similar software
Check the Memory and SPD tabs
On Mac
Open Apple menu
Go to About This Mac
Check the Memory section
On Linux
Open Terminal
Run free -h
Run sudo dmidecode -t memory
Check the RAM details